Machine for making concrete building-blocks.



I G. W. KRAMER. MACHINE FOR MAKING CONCRETE BUILDING BLOCKS.

APPLICATION FILED SEPT.4, 1906.

Patentd J an.

2 SKEETS-SHEET 1.

G. W. KRAMER. MACHINE FOR MAKING CONCRETE BUILDING BLOCKS.

APPLICATION FILED SEPT. 4, 1906.

Patenqed Jan. 17, 1911.

2 SHEETS-SHEET 2.

M% waam 'mmzzr. fmw .Z/ A

plains dlhhd has GEORGE W. KRAMER, F LITTLE $508K, ARKANSAS, ASSIGNOR TO KRAMER AUTO- MATIC TAMPER 06., 0F PEORIA, ILLINOIS, A GORPQRATION 0F ILLIIIGIS.

MACHINE FOR MAKING CDNCRETE BUILDING-BLOCKS.

Specification of Letters Patent.

4 Application filed September 4, 1906. Serial 1 10. 333,067.

To ill whom it may concern:

Be it known that I, Gnoaon 3V. KRAMER, a citizen of the United States, residing at Little Rock, in the county of Pulaski and State of Arkansas, have invented certain ne and useful Improvements in lvlachines for Making Concrete Buildinglllocks; and I do hereby declare that the following is a full. clear, and exact. description of the inveutiom which will enable others skilled in the art to which it appertains to make and use the same. i

This invention has reference more particularly to apparatus for packing concrete into molds for forming concrete building blocks or stone, and for supplying concrete to the mold.

The object of my invention is to provide a maeniue that will thoroughly tamp the concrete and press it into all parts of the n'iold;------aud a further object is to supply concrete to the mold in suitable quantities to be thoroughly pressed into the mold by the tamping device.

' In the accompanying drawings, in which similar referencecharacters indicate similar parts in the several views, Figure 1 is a front \ltw ot' a machine embodying my improve-' mcuts showing" the tamping devices in operation: Fig. 2 a vrt'ical cross sectionalview on the line 2-2 of Fig. -1 looking in the direction indicated by the arrow; Fig. 3 a front yicw of the machine showing the tampiu r devices raised to the inoperative ptmition; Fig. 4 a vertical sectional View of the mold and feeding devices which supply concrete to the mold; Fig. a vertical sectional view on the line 5-4) of Fig. i looking in the direction indicated by the arrow; Fig. (i a view on the line ----(i of Fig. 5 looking; as imlieatml by the arrow; Fig. 7 a View on the line T of Fig. -l looking as indi cated by tl arrow; Fig- S a view on the. line 8 8 of Fig. 3 looking as indicated by the arrow showing a bottom view of the tamper;

a d Fig. 5! is a side and bottom .view of a tamper which may be used for tampiug' the concrete block of diilerent construction. from that shown in the preceding figures.

The "frame of this machine, which is constructed and bracedv to withstand considev able vibration is provided with two pairs of vertical timbers 1, each pair being suitably spaced toit'urnish a guide way for the frame 2, which travels therebetween. These til hers I are suitably connected at their top and to the adjacent framework 3 upon which are carried parts which operate the taniping devices.

The frame 2 which carries the camping devices and which as has been stated, is vertically movable in the pairs of vertical tim- '?at-ented Jan. 1?, MEL

hers 1 consists of the blocks 4 which are I suitably distanced and have the parallel strips secured'thercon, as shown, near the top and bottom thereof which extend beyond said blocks and engage the Vertical timbers l. These strips 5 are provided with the connecting strips 6 which engage the inner sides of the timbers 1 so as to prevent longitudinal shifting of the said "frame and.

permit vertical movement thereof. This framework designed to carry the taniping devices which operate to tainp the concrete into the mold 7 located directly theroheneath, which said mold may be of any desired construction.

As is shown, the concrete blocks are usually cored as shown at 8 Fig. 3 of the drawings providing the cores 9 which may be arranged in any suitable manner or operated so as to extend in the mold so as to provide the concrete block formed therein with suitable openings. In the acoon'ipanying drawings, l have shown a mold which is provided with five cores 9 which extend vertically in the mold and are spaced an equal distance apart throughout the length of the mold.

The taiiping device carried by the movable frame 2 comprises a shaft 10 which extends horizontally through said frame and is journaled in' the bearings 11 secured to the hloclts 4;. Upon this shaft are'provided six eccentric disks 12 which are preferably arranged at thirty degree intervals around the shaft so'that the projectionof the said disks will be distributed throughout the revolution of the shaft. These eccentric disks are provided with the usual yokes 13 encircling the same which are pivotally conncctcd by means or" the short shafts 14 as at it with the crossheads 16. These cross heads are arranged to be vertically inovahle and extend 'from side to side of the frame 2 and are provided with the arms 1'? extendiug laterally from said cross heads, through which said projecting parts are p: ssed the rods 18, which are secured against movement by the set screws 19 or any other suitable means. The ends of these rods pass unit through openings guide the cross head accurately in its vertical reciprocation, and said rods are carried by the laterally projecting arms 17 at the side as aforesaid so as to be out of the plane of movement of the eccentrics 12. The cross heads 16 are provided with the depending parts 20 which are bored at their lower ends to receive the shank of the tamp ing bars 21 which are secured therein by means of set screwsor in any other desired manner. These tamping bars are arranged to operate in the mold located therebcneath and differ in form according to the sizc of the mold and the kind of core used therein. The striking faces of the camping bars, irrespective of the size or form, have the edges beveled as shown at (34 to diminish the abrupt striking surface thereof to permit the hammer being driven into the loose concrete, and also to provide inclined or beveled faces for forcing the concrete laterally from the line of direction of the move ment of the tamping bars into all parts of the mold.

It is necessary that the lower surface of the tamping bars be capable of operating in I the interior of the mold near the bottom 'in close proximity to the adjacent thereof so as to press the concrete into the bottom of the mold, and for this reason the tamping bars are cut away to avoid the cores in the mold and provide projecting portions which may extend intermediate of the cores and walls of the mold to the bottom of the mold. In the present instance, .wherein a number of small vertical rectangular cores are used, the tamping bars are constructed as shown in Fig. 8 so that the portion 23 operates between the cores and the portions 24 intermediate of the cores and walls of the mold, the said portions 24 extending laterally a suitable distance so as to operate tamping bars so as to subject all the concrete in the mold to the pounding thereof. As is ap' parent, it is necessary that the tamping devices be capable of vertical movement during operation so that as themold fills and the concrete is packed therein the tamping device-may rise, and it is alsonecessary that they be adapted to be raised from the mold when not in operation. For this purpose,

there is provided a drive shaft 25 extending longitudinally across the top of the frame which carries the sleeve or drum 26 loosely thereon directly above the' frame 2. This frame is connected to the said sleeve by means of the wire cables 27 or any other suitable flexible meanswhich areconnected 'ith the sleeve or drum 26 so as to wrap and unwrap thereon in the movement of said sleeve for raising and lowering the movable For operating the s eeve 26. there is provided at one end thereof a friction disk 28 in the strips 5 so as to 1 which is fixed on the shaft- 25 and adapted to engage the broad end of the sleeve. Atthe opposite end of said. sleeve is provided a friction disk 29 which is movable lengthwisc of said shaft, the said disk being feathered on the said shaft to cause the said disk to rotate with the shaft. Adjacent the loose friction disk 29 and secured on the shaft is a collar 30, and an inverted bifurcated wedge member 81 is carried between said collar 30 and the friction disk :29, the prongs of which said wedge member straddle the shaft and are arranged when forced downwardly to bear against the collar 30 and press the friction disk 29 against the large end of the sleeve or drum 26 so as to lock the sleeve between the friction disks 28 and 29 to rotate with the shaft. This wedge member 31 is carriedon the rod which is pivoted on the bracket 33 on one side of the frame, and the other end of said rod extends to the oppositeside of the frame where it is connected by means of the link 34, the pivoted lever 35 and rod 3b with the foot lever 37, whereby the operator at the front of the machine can control the operation of the coiling sleeve. The arms or prongs of this wedge converge down- \vardly/ so that the friction clutch is thrown into engagement by the downward movement thereof and the spring 38 is provided, whi'c'h is connected near the free end of the lever 37 and to the supporting frame soas to normally draw the wedge 31 downwardly and lock the sleeve 26 to move with the shaft. By means of, the wedge applied as hereinbefore described, the sleeve is caused to be impinged to cause it to be revolved with the drive shaft to raise the movable frame, and then the wedge is moved to release such impingement but instead of entirely releasing said impingement,1.21s the movable frame descends the operator allows a slight in'ipingement, suflicient to retard the downward movement of-the movable frame to prevent its descending violently.

()n the outer end of the shaft 25 is loosely mounted a pulley which is driven by the belt 39 and said pulley is provided with a sleeve 4-0 which has a clutch lug thereon adapted to engage the fixed clutch member K on the frame,for shifting the clutch of the :belt pulleyi inand out of engagement with the clutch 41 on the shaft, and the pulley is driven in a direction to operatethe shaft to wind the cable27 on the sleeve 25;

The long arm +15 of the shifting lever extends as shown and is arranged to be engagediby the projection shown by dotted lines'at tfi carriedion the strip 5 of the movthe pulley thrown out of engagement with the shaft, the shaft ceases to turn and the tampmg devices to operate, 'lhe section 57, the compartment of which is designed to .hold a little more than half enough concrete .the inoperative position,

to tilt the mold.- is then moved back. and receives a charge of et'vnerete from the magazinc and is then moved forward and dis charged into the mold, and the tamplng devices brought into ope-ratioi't as before described. As the supply of concrete is more than snllieient to fill the mold, a portion of it will extend above the top of the mold and be tamped solidly in. the compartment of the section 57. hen the blocl; is tampcd sutliciently, the tamping devieesare raised to as before described,

and the section 5? moved bael: to register with the discharge opening; of the'hopper in which movement the edge of the frontof the compartment shears oil the surplus concrete extending above the mold, making the top of the block perfectly level and insuring a constrtu'tion of blocks of uniform thickness. 4

\Vhile l have shown a mold for constructing eonerete blocks of acertain form and style, I wish it understood that any suitable concrete block mold. may be used. \Vhen molds adapted to form blocks of different styles are employed the tampers 91 which, as has been hereinbefore mentioned, are "detachable, are detached and tampers suitable for that style of mold attached to the arms of the cross heads. For instance, when a mold. employt-al which forms concrete blocks with long openings as shown by dotted lmes'at in Fig. 3, it will be necessary at plaer t provide tampers such as shown in Fig. 9 to straddle the core and' tamp the concrete on each side thereof. The

various other. kinds of cores which are commonly employed in constructing these blocks will require tampers varying in shape for taniping' the concrete around said cores.

:What I cl'aimfis: 4 4

' 1. In a device of the class described, the combination of'a constantly driven .part, a stationary frame provided with driven shaft therein adapted to be intermittently driven from the constantly driven part, a movable frame carrying a rotative shaft, :1 series of tamping .meml'iers, means upon the shaft of the'stationary frame intermittently revolnblethcrewith, and means connecting said intermittently revoluble means with the movable frame to raise the movable frame,

means under the control of the operator for causing intermittent engagement and to lease between the revoluble means and the shaft and the same means similarly controlled for retarding the gravity desrent of themovable frame means connecting the shaft of the stationary frame with the shaft of the movable frame comprising; parts rela tively adjustable to compensate for the varying distances between the shaft of the stationary frame and the shaft of the movable frame during the movement of said movable frame, whereby the tampers coir nccted with the shaft of the movable frame may be rcciprocated and means operable through the upward movement of the movable frame to disconnect; the drive shaft from the constantly driven part whereby the with the rotation of said shaft, neans upon the shaft of the stationary frame interl'nittently revoluble therewith and flexible means connecting the said intermittently revoluble means with the movable frame to facilitate the raising and lowering of the latter, meansunder the control of the operator for causing intermittent friction engagement between the rev-oluble means and the shaft and means similarly controlled for friction'ally retarding the downward movement of the movable frame, means connecting the shaft of the stationary frame with the shaft of' the movable fan'ie com prising parts relatively adjustable to compensate for the varying distances between the shaft of the stationary frame and the shaft of the movable frame during the movement of said movablefra-me, whereby the .tampers connected with the shaft of the movable frame may be reciprocated, -and means operable through the upward movement of the movable frame to disconnect the drive shaft from the constantly driven partwhereby the movement of said shaft, will be stoppedwhen the movableiframe'is in its maximum elevated position.

3. In a device of the class described, the combination of a main supporting frame, a driven shaft therein, a vertically movable frame provided w th reciprocal tam-9mg members, means for reciprocating said L y I tampmg members from the drive shaft, means associated with said movable frame senses and drive shaft in such relation that-the former may be intermittently connected with the latter to be raised. thereby, means umlerthe control of the operator to ,cause such raising connection betvveen the movable frame and the drive shaft, and the same means similarly controlled to frictionally relard the gravity, descent of the movable frame when released from its connection with the drive shaft to cause said movable frame to descend at uniform speed.

4. in a device of the class described, the combination of a stationary frame, a drive shaft therein, a vertically movable frame 5 carried in the stationary frame provided with tampmg members, means for operating the tamping members from the drive shaft, means for lntermittently connecting the movable frame and the drive shaft in a relation to cause the former to be raised through the turningof the latter and when disconnected the movable frame will descend by force of gravity, means under the control of the operator for causing intermittent en- 25 gagement and release of the connecting Sided with guide rods for tamping bars, a

revol 'ible shaftin thesmovable frame, an eccentrically supported series of tampers carricd thereon, an intern'iittently frictionaliy driven partfi'rpon the shaft of the main frame, flexible) means connecting the mov able franiewilhlthe intermittently driven part on the dilvelshaft adapted to be coiled up or uncalled through the movement of the shaft in the main frame'to facilitate the raising and; lowering of the movable frame, means upon the drive shaft under the control of the operator tocause the intermittently'driven. part on the drive shaft to be engagedwith the latter ,to be turned therewith and the same means similarly "controlled to cause a slight engagement between said parts" during the descent of the movable frame to retard the downward movement of ,the movablefiframe, and means connecting said shaft of the mainframe with the shaft of the movable frame to cause the Campers to be operated.

(S, In a device of the class described, the

combination with the main supporting frame provided with a driven shaft, and a vertically movable frame supported therein provided with guides forcamping bars thereon, suitably placed to engage said tamping bars and guide them, a revoluble shaft :in the'movable frame, an eccentrically supported series of tampers carried thereon, an ii-itermittently frictionally driven part upon the shaft of the main frame, provided with a disk' thereon, flexible means connecting the movable frame with the interi'nittently'io driven part adapted to be coiled upor uncoiled through the movement of'the intermittently driven part to facilitate the rais mg and lowering" ofthe movable frame, a.

nally thereof and means under the control of the operator for moving said movable disk to cause the intermittently drivcnpart to be engaged with the shaft to cause it to be turned therewith to raise the movable frame 0 and the same means similarly controlled to cause a slight engagement between the movable disk and the sleeve during the descent of the movable frame to retard its movement, and means connecting said shaft of the main frame with the shaft of the mow able frame to cause the tempers to be oper-. ated.

7. The combination of a stationary frame, a drive shaft therein, a movable shaft therein carrying a series of tampers,

means for operating said tempers from the drive shaft, a sleeve on the drive shaft Intermittently revoluble thereby, flexible means connecting said sleeve with the movable frame, means under the control of the operator for causing the sleeve to be intermit tently 'frictionally driven from the drive shaft to raise the movable frame and to be disengaged to allow the movable frame to descend by force of gravity, and the same means similarly controlled to frictionally retard the movement of the sleeve as it is turned by the Weight of the 'movable frame as it descends to cause it to descend at substantially uniform speed.

8. The combination with a stationary frame having a drive shaft'therei'n provided with a" pair of disks one fixed and the other, movable thereon, of a movable frame carryv, ing a series of tempers, a horizontally disposed shaft in the movable frame, means connecting ,the shaft of the movable frame with the tamping members in a rela-tion'that when driven the tempers will be reciprocated, means for driving the shaft of the movable frame from the drive shaft of the stationary frame; means to facilitate the raising and lowering of the movable frame comprising a sleeve-on the drive shaft intermittently revoluble thereby, flexible means connecting said sleeve with the movable frame and includinga movable part on the drive shaft, amder the control of the operator, for causing said sleeve to be intermit tently enma'ged by the movable part on the drive sh: lit to cause it to be turned with the latter to raise the movable frame, and the same means similarly controlled to retard the movement of the sleeve as it 15 turned by disk upon the drive shaft movable longitudi- 75 ame, a

' rapidly.

the weight of the movable frame as it descends.

9. The combination with a stationary 'frame having a drive shafttherein provided with a pair of disks, one fixed and the other movable thereon, of a movable frame carrymg a series of tampers, means for operating said tempers including the said drive shaft, 21 horizontally-disposed shaft in the movable frame connected withthe drive shaft by a connection comprising parts 'shiftable relatively to compensate for the varying distances betweenthe drive shaft and the shaft of the movable frame, means to facilitate the raising and lowering of the movable frame comprising a sleeve on the drive shaft intermittently revoluble thereby, flexible means connecting said sleeve with themovable frame, and means under the control of the operator for causing said sleeve to be intermittently engaged by the disks on the drive shaft and the same means similarly controlled to retard the movement of the sleeve as it is turned by the weight of the movable frame as it descends.

10. The combination with a stationary framehavmg drive shaft thereon provided with, friction disks, of a movable frame as --"rying a series of tempers, means for operating said tamp -nrs including the said drive shaft, a horizentally disposed shaft in the movable frame connected with the drive shaft, means to facilitate the raising of the movable frame comprising a sleeve on the drive shaft intermittently revoluble thereby, flexible means connecting said sleeve with tlieimovable frame, and means under the control of the operator for causing said sleeve to be intermittently engaged by the disks on the drive shaft to cause the sleeve to be turned to raise the movable frame and the same means similarly controlled to slightly impinge. said disks to retard the movement of the sleeve when it is freed from engagement with the drive shaft to prevent the movable frame from descending too '1. The combination with a stationary frame having a drive shaft thereon provided with a pair of disks, one fixed and one adustahle thereon, a movable frame carrying a series of tampers, means for operating said tampers, including said drive shaft, a horizontally disposed shaft in the movable frame connected with the drive shaft, means to facilitate the raising of the movable frame comprising a sleeve on the drive shaft, intermittently revoluble thereby, flexible means connecting said sleeve with .the movable frame, and means under the control of the operator for causing said sleeve to be intermittently engaged by the disks on the drive shaft, and the same means similarly controlled to facilitate the lowering of the movable frame, including the fixed and movable .tent engagement of the sleeve with the drive disks on the drive shaft, and further comprising a fixed collar upon the drive shaft and a wedge movable under the control of the operator to be inserted and withdrawn between the fixed part on the drive shaft. and. the movable disk thereon, whereby the movable frame may be retarded in its descent.

12. The -combination of a stationary frame and a frame vertically movable therein carrying tainping members, means for operating the tampers comprising a horizon tally disposed shaft in the tam er frame, a

driven shaft in the stationary rame, a part ;upon-the stationary frame, driven from the drive shaft and a bar comprising relatively movable parts.v one end connected with the driven part on the stationary frame and the other end with the tamper driving shaft in the movable frame, means for raising and c loweringthe movable frame comprising a sleeve upon the drive shaft, a rope or chain connecting the sleeve with the movable frame,-means on the drive shaft/under the control of the operator for, causing intermitshaft to cause the former to be turned with the latter inraising' the movable frame, and the'same means similarly controlled to frietionally retard the movement of the sleeve inthe descent of the movable frame. l

13. The combination of a stationary frame, a mold fixed relatively therete, a movable frame carrying a series ofreciprd cal tempers, means for operating the tempers, comprising a horizontally disposed shaft in the movable frame, a driven shaft in the stationary frame,'a bar comprising relatively movable parts, one end suitably connected to be driven from the drive shaft and the other end connected with the shaft in. the movableframe, means for raising and lowering the movable frame comprising a sleeve upon the drive shaft, a rope or chain con necting the sleeve with the movabiefraine, means on the drive shaft under the control of the operator for causing-intermittent engagement of the sleeve with the drive shaft to cause the former to be turned with. the/ latter in raising the movable frame, andtlie' same means similarly controlled to frictionally retard the movement of the sleeve in the descent of the movable frame.

1-1:. In a device of the class des'erib'ed, the combination with a stationary frame provided with a drive shaft therein, of. a wer 1 tically movable frame provided with-ashaft therein supporting a series of tampers as ccntrically associated with said shaft'in the movable frame, guides in said movable frame for said campers, means, for opera ing the tampers including the drive shaftin; the main frame and the shaft in the movabl frame, driven means between the two shaft?? comprising parts adjustably related, means v for raising and lowering the movable frame. 193

comprisinga sleeve on the'drive shaft, a" rope or chain connecting the sleeve with the movablesfrauie means including a movable part on the drive shaft under the control of 5v the operator for causing said sleeve to be intermittently turnedlwith the drive shaft to raise the movable frame, and the same means similarly controlled to retard the movement of the sleeve as it is turned by lhe weight of the movable frame as it descendsi 1 15, In a device of 'the class described, the

wombimition with a stationary frameprovidcd with a drive shaft therein, of a ver- 5ft'icallyj movable frame provided with a shaft in supporting a series of tampers ectheiassociated with said shaft in the reiitrically m vable frame. guides in said movable eoinpi-isiiig a sleeve on the drive shaft, disks. 3o 'non-riitativcly engaging the drive shaft a rope or chain connect ng the sleeve with the movable frame and means including a movable part on the drive shaft, under the control of the operator, for causin said sleeve '35 .to' be intermittently engaged y the disks on the drive shaft to cause it a): be turned with the latter to raise the movable frame, and the same means sumlarly controlled to fretard the movement of thesleeve as it is 40 turned by the weight of the movable frame as it descends' v 1H3; In a device of the class described, the combination with a stationary frame pro vided with adrive shaft therein, of a ver- 't-icallv movable frame provided with a shaft therein supporting a series of tamper-s eccentrically associated with said shaft in the Ln'iovable frame. guides in said movable frame for said tampers, means for operating the 'tan'ipet's including the drive shaft in the main frame and the shaft-in the movable frame, driven means between the two shafts comprising parts movable relatively'to acconnnodate the varying distance between the drive shaftand the shaft of the movable frame in the movement of said frame within the stationary frame, means for ra-isingaml lowering the movable frame comprising a sleeve on the drive shaft, disks non-rotzr' GQ'tiVelyengaging the drive shaft a rope or chain connecting the sleeve with the move able frame meansincluding a movable part on the drive sha ft,nndcr the control or the operator, for causing said sleeve to be in- 6 termittcntly engaged. by the disks on the frame in the operation of the tampers within the drive shaft to allow the movable frame drive shaft to cause itfto be turned with the latter to raise the movable frame, and the samemeans similarly controlled to retard the movement of the sleeve as it is turned by the weight of the movable frame as it 70 descends.v

17. In a device of the class described, the combination of a stationary frame, a mold fixed relatively thereto, a vertically movable frame supported in said stationary frame, 5 tamping means withih the vertically movable frame operable within the mold under the weight of the movable frame including their own weight comprising a horizontally disposed shaft provided with a plurality of so eccentrics thereon set at different angles relatively, a plurality of vertically disposed tamping bars having yokes embracing the eccentrics on the shaft, means for operat ng the camping mechanism from the drive .85 shaft, driven means between the-two shafts comprising parts movable relatively to coirpensate for the varying distance between the drive shaft and the shaft of the inovable the mold, means for raisins, and lowering the movable frame comprising a sleeve on the drive shaft; a rope or chain connecting the sleeve with the movable frame, means including a movable part on the drive shaft, under the control of the operator, for cans ing said sleeve to be intermittently engaged by the disks on the drive shaft to cause it to be turned with the latter to raise the movable frame, and the same means similarly controlled to retard the movement of the sleeve as it is turned by the weight of the movable frame as'it descends.

18. In a device of the class described, the

com-bination of a stationary frame provided with drive shaft thereon, a mold, a, vertically movubleframe provided with lamp? ing members therein opcable within the mold under the Weight of the movable frame and its associated parts, means for-operating 11 the tamping members means on the drive shaft connected. avith the movable frame adapted to he intermittently turned with the.

former to raise the mo 'able frame, means upon the drive shaft under the control of the operator for causing suchintermittent engagement between the shaft and tho-T315- ing means and the same means sim1larly controlled to release snch engagement. with 26 i todes'cend and to retard its downward move ment. I

'19. In a device of the class described, the combination of a stationary frame, adrive shaft therein, a vertiqall movable frame, tamping members within the vertically movable frame, means for, operating the tamping members and means for raising the movable frame comprising a: drive shaft, 52 pair of disks upon the drive-shaft, one fixed frame carrying reciprocal therein, means for causing the tlimpingv and the other movable longitudinally thereol, a sleeve interposed between the disks on the drive shaft, a rope or chain connectingthe sleeve with the movable frame, means inidcrthe control of the operator forshift.-

to cause sleeve to the shaft Q? 1 9 M inn the movable disk 1 v H oe engaged to turn villi released to allow it to descend by gravity, i and the same means similarly controlled l9 retard the descent of the movable frame $9 cause it to descend. at uniform speed,

:20. In a device of the class described, the

nicn'ibei's .to be reciprocatcd, means fonralsfi ing' the movable frame comprising an inter mittently driven shaft in the stationary frame and means for driving the same, a

' pair of disks: on the shaft, one fixed and the other longitudinally movable thereon, a collar fixed upon the shaft adjacent the movable disk. a. sleeve interposed between said disks and normally loose upon said shaft and means for moving the movable disk to cause. the sleeve to be ei'igaged with the shaft whereby the movable frame will be raised and the same means operable to release the sleeve to allow the movable frame to descend and the same means similarlycontrolled for retarding; its descent to cause it to descend atsubstantially uniform speed.

21. In a device of the class described, the combination of a stationary frame, a mold fixed relatively thereto,- a vertically movable frame carrying reciprocal camping men1- hers therein, means; for cansiiigthe tamping members to be rcciprocatcd, means for raisinnthe movable frame comprising an inter n'iitlcnlly d rivcn shaft in the stationary frame and means; for driving the same, a

pair of disks-s on the shaft, one fixed. and the other loi'lgritiu'linally movable thereon, a Collar lined upon the shaft adjacent the movable dish, a sleeve interposed between said disks, and normally loose upon said shaft and means under the control of the operator operable beti :Ql'l the collar and the movable disk for in-civ'" the movable disk to cause the sleeve to be engaged with the shaft whereby the movable frame will be raised and the mine means sin'iilarly controlled operable to release the sleeve to allow the movable frame to descend and the same iii-cans for retarding its descent, to cause the movable frame to descend at substantially uniform npced and means similarly controlled operable through the movement of the. movable frame to alternately cause the sl ill to be engaged. with and released from ii. l'l\'l?ll connection.

I a device. of the class described, the

combination of a stationary frame, a mol fixed relatively thereto, a vertically movable frame carrying reciprocal tamping members therein, means for causing the tamping members to be'reclprocatcd, means for raising the movable frame comprising an intermittently driven shaft in the. stationary frame and means pair of disks n the shaft, one fixed and the other longitudinally movable thereon. a sleeve interposed between the disks and norn l senp on the shaft and means under the c9 ml of the min r adapted to slide the move-hie slick 9n the dr shaft to ca se tliczfilceve t9 engaged with the Shaft wherebyflthe movable w ll, be raised and the some means similarly controlled to release the sleeve to allow the movable frame to deecend, :trie-tioaallv retard its scent to cause it to descend at uniform wood.

23, In a-device of the class described, the combination at a etetionary f of a tically movable frame ported therein, a drive shaft in thesta n ry frame and for driving the same, a.

means for driving itya cros a t i t e r movable frame, a plurality of tamp ng b rs pivotally connected with pert-s on the cros shaft-0f the movable frame to facilitate the vertical reciprocation of said tamping bare, means for operating the tamping membersfrom the drive shaft simultaneously with the movement of the frame, means for rais ing and lowering the movable frame comprising a sleeve upon the drum shaft, a rope or chainconnecting the sleeve with the movable frame, disks upon the drive shaft one fixed and the other and awedge under the control of the operator adapted to adjust the movable disk on the drive shaft to cause it to alternately impinge the sleeve to cause the movable frame to be raised andtbcn to release it tO- vallow the movable frame to descend, and

means controlled by the movement of the movable frame to disconnect the drive shaft from itsdriving source to limit the upward movement of the movable frame.

24. In a device of the class described, the combination of a stationary frame, of a ver tically movable frame. supported therein, a drive shaft. in the lstationary frame and means for driving it, a cross shaft in the movable frame, a plurality of tamping a s pivotally connected with parts on the cross shaft of the movable frame to facilitate the vertical reciprocation of said tampiug bars, means for operating the lumping members from the drive shaft sinmltaneously with the movement of the frame comprising parts adjustably related to compensate for the changing position of the movable frame, means for raising and loweringthe movable frame comprising a sleeve upon the drive shaft, a rope or chainconnecting the sleeve with the movable frame, disks upon the drive shaft one fixed and the other adjust- ,ablo thereon, and a wedgennder. the conadjuatable thereon,

trol of the operator to cdisstthe movable disk of the dri e shattro cease it to alternately impinge sleeve to cause the movable frame to be raised and then to release it to allow the movable frame to descend. and means controlled by the movement of the movable frame to disconnect I the drive shaft from its driving source to limit the upward movement of the movable frame.

25. In a machine of the class described, the combination of a stationary frame provided with a drive shafttherein, of a verticallymovable frame supporting a cross shaft therein, provided with a plurality of eccentrics set at dillerent angles relatively, a plurality of vertical tsmping pivotally connected with yoltes embracing eccentrics on the cross shaftto be moved thereby, laterally extending perforated arms connected with the tamping bars, vertically disposed guide rods in the movable frame bearing in the perforations of the arms of the tempers, means for operating the temping bars from the drive shaft, and means for raising and lowering the movable firemecomprising a sleeve upon the drive shaft, a rope or chain connecting the sleeve witthe movable frame, a pair of disks upon the drive shaft, one fixed and-the other movable therewith and means under the control of the operator for shifting the movable disk to engage the sleeve with the shaft whereby it may be turned to raise the movable frame and the some means similarly controlled to I be shifted to release the sleeve to allow the movable frame to descend, and to retard its downward movement.

26. In a machine of the class described, a mold, a stationary frame, a vertically movable frame supported therein, tam ins" bars suitably supported in the movsb e .trsnie,

mechanism in said frame for reciprocating the tamping bars, a drive shaft in the stetionary frame, means connecting said drive shaft with the mechanism for secreting the temping bars, m ans "for raising the movable frame and relessing' it- 'to' allow it to descend by force of gravity compels ing tr'psir of disks on. the drive sheila, one

" ereon,

rope or chain connecting said sleeve with the movable frame, means under the control of the operator for causing intermittent frictional engagement and release of disks of the drive shaft with the ends of the sleeve whereby the movable frame me be reised and the same means similarly controlled for retarding the gravity descent of the movable frame to canse-itto descend at uniform speed,

27. In a mechii mold, a stat ported 1-.e class described, it I a drive shatt supmovable frame csrrymga cross sheft therein, a series of eccentrics noon said cross A ft set at ditlercnt angles relatively, a plurality of vertical tsmping hers, yokc-s embracing the eccentrics and pivctslly connected with the tsmping bars, a filler section provided with on opening therethrongh adopted to alternately register with mmagazine discharge 0 ening for receiving :the discharged materia the said filler section being shiftable with relation .to the magazine outletto register with the opening in the top of the mold for discharging the charge received from the magazine into the mold, means for operating the temping bars from the drive shaft, means for raising; and lowering the movable frame comnrising a sleeve on the drive shaft, a rope or chain connecting the sleeve with the movable frame, a pair of dislrs upon the drive shaft, "one fixed and the other movable thereon and adjustable lengthwise thereof, a collar on the shaft adjacent the movable disk, at wedge snitably'snpported to be moved, adapted to pass between said collar and movable disk to cause the lstter'to impinge the sleeve to cause it to be rotated with the shaft to raise the movable frame and to disengage seid. sleeve to permit the movable frame to ,descend, a, constantly driven member, clutch ,mechanisin interposed bet Ween -the coin 'stently driven iii-ember and the drive shaft 'sdaptcd to intermittently engage and release said parts, and. means controlled by the movement of the movable frame to operate said clutch mechanism to csnse engagev ment and disengagement between the con 'stantly driven member and the sleeve.

28. In a machine of the class described, a mold, a stationary frame, a, drive shaft supported therein, s movable frame carrying a cross shaft therein, a series of eccentrics upon said cross shaft set at difierent angles relatively, s lurelity of vertical 'temping bars, yokes em racing the eccentrics sndpivotelly connected with the tamping bars, e tiller section provided with an crooning; therethrough adapted to alternately register with a magazine discberge opening for re eei'ving the dischsrge of mate ishthe said filler section being shifteble with relation till.

to the outlet. to register with the opening in the top of the mold for dis charging the charge received from the magenine into the mold, means for operating the camping bars from the drive shaft, comprisarts adjustable relatively to compensate for the varying position of the vertically movable frame, means for raising and lowering the movable frame comprising a sleeve on the drive shaft, a rope orchain connecting the sleeve with the movable frame, a pair of disks upon the drive shaft,

one fixed and the other feathered thereon and adjustable lengthwise thereof, a collar fixed on the shaft adjacent the movable disk, 

